Fix converting $_SESSION to object (issue #4)
This version introduces multiple enhancements:

Removed possibility to display directly in markers data from public session

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/packages/CORE/display_class.php
            -- Modified --
               _session method, removed display data from public session

Modified:   /BLUE_FRAMEWORK/modules/modul1/modul1.php
            -- Removed --
               display public session data

Modified:   /BLUE_FRAMEWORK/modules/modul1/layouts/layout1.html
            -- Removed --
               display public session data